823323700 has 54 divisors (see below), whose sum is σ = 1805877906. Its totient is φ = 325802880.

The previous prime is 823323679. The next prime is 823323707. The reversal of 823323700 is 7323328.

It can be written as a sum of positive squares in 9 ways, for example, as 11985444 + 811338256 = 3462^2 + 28484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823323707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3595186 + ... + 3595414.

Almost surely, 2^823323700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 823323700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902938953).

823323700 is an abundant number, since it is smaller than the sum of its proper divisors (982554206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823323700 is a wasteful number, since it uses less digits than its factorization.

823323700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 823323700 is about 28693.6177572644. The cubic root of 823323700 is about 937.2530715597.

The spelling of 823323700 in words is "eight hundred twenty-three million, three hundred twenty-three thousand, seven hundred".